Test phone jack without service subscription?

[Anti-Robo]

Can you test phone jacks if you have no landline phone service? Any kind of
voltage trickling in or continuity testing that will tell you if they will
work?

Thanks,

Mike

 

[Sjouke Burry]

"Anti-Robo" <dubya54@XXXXyahoo.com> wrote in
news:uueCq.81934$ql3.18802@en-nntp-12.dc1.easynews.com:

Can you test phone jacks if you have no landline phone service? Any
kind of voltage trickling in or continuity testing that will tell you
if they will work?

Thanks,

Mike



Take a second phone, wire both to 50 volts dc, put 600

ohms in series with the 50 volt power, and you have a
miniature phone system.
Take both sides off hook and you can talk to each other.

 

[Anti-Robo]

"Sjouke Burry" <s@b> wrote in message
news:Xns9FB020795C7F3sjoukeburrysoesterbe@213.75.12.10...

"Anti-Robo" <dubya54@XXXXyahoo.com> wrote in
news:uueCq.81934$ql3.18802@en-nntp-12.dc1.easynews.com:

Can you test phone jacks if you have no landline phone service? Any
kind of voltage trickling in or continuity testing that will tell you
if they will work?

Thanks,

Mike



Take a second phone, wire both to 50 volts dc, put 600
ohms in series with the 50 volt power, and you have a
miniature phone system.
Take both sides off hook and you can talk to each other.

Thanks for the reply. This is a great idea, but a bit beyond me. I'm sort
of a multi-meter kind of guy. The idea is to go to DSL to escape comcast,
who has just raised prices three times in 6 months. I'm in a rented condo
with phone jacks, but I use skype and a cell phone, so never got landline
service. Looks like I'll just have to get the DSL modem and see what
happens.

 

[Jasen Betts]

On 2011-12-03, Anti-Robo <dubya54@XXXXyahoo.com> wrote:

Thanks for the reply. This is a great idea, but a bit beyond me. I'm sort
of a multi-meter kind of guy. The idea is to go to DSL to escape comcast,
who has just raised prices three times in 6 months. I'm in a rented condo
with phone jacks, but I use skype and a cell phone, so never got landline
service. Looks like I'll just have to get the DSL modem and see what
happens.

You'll see about 48V on phone jacks that are hooked up to the CO
if you don't see any voltage on the jacks it's a reasonable bet that
they aren't connected to the CO.

That won't tell you if your connected to a DSLAM though, you can't
measure that with a multimeter.

If you do have DSL on the line you should get the line-sync LED on
the DSL modem lighting up solid, but there will be more info on the
status page of the modems configuration interface..

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[Peter Bennett]

On Fri, 2 Dec 2011 22:36:35 -0500, "Anti-Robo" <dubya54@XXXXyahoo.com>
wrote:

"Sjouke Burry" <s@b> wrote in message
news:Xns9FB020795C7F3sjoukeburrysoesterbe@213.75.12.10...
"Anti-Robo" <dubya54@XXXXyahoo.com> wrote in
news:uueCq.81934$ql3.18802@en-nntp-12.dc1.easynews.com:

Can you test phone jacks if you have no landline phone service? Any
kind of voltage trickling in or continuity testing that will tell you
if they will work?

Thanks,

Mike



Take a second phone, wire both to 50 volts dc, put 600
ohms in series with the 50 volt power, and you have a
miniature phone system.
Take both sides off hook and you can talk to each other.

Thanks for the reply. This is a great idea, but a bit beyond me. I'm sort
of a multi-meter kind of guy. The idea is to go to DSL to escape comcast,
who has just raised prices three times in 6 months. I'm in a rented condo
with phone jacks, but I use skype and a cell phone, so never got landline
service. Looks like I'll just have to get the DSL modem and see what
happens.

Surely your DSL provider will do whatever is necessary to get his
signal into your dwelling, so you shouldn't have to worry about it.

If you don't currently have land-line or DSL service, I would expect
that your phone outlet is connected to the Telco central office, but
not connected to anything there. However, it may just go to a
central terminal room in the condo complex.


--
Peter Bennett, VE7CEI
peterbb (at) telus.net
GPS and NMEA info: http://vancouver-webpages.com/peter
Vancouver Power Squadron: http://vancouver.powersquadron.ca